Update metadata and enhance README with plugin settings details

metadata.json

@@ -1,10 +1,10 @@
 {
-	"author": "ALGZB",
-	"email": "hello@algzb.com",
-	"website": "https://algzb.com/github-comments-plugin-for-bludit",
-	"version": "1.0",
-	"releaseDate": "2020-09-10",
-	"license": "MIT",
-	"compatible": "3.13.1",
-	"notes": ""
+  "author": "spleenftw",
+  "email": "",
+  "website": "https://github.com/Spleenftw/github-comments-for-bludit",
+  "version": "1.2.0",
+  "releaseDate": "2026-06-02",
+  "license": "MIT",
+  "compatible": "3.22.0",
+	"notes": "Fixed enable/disable toggles (PHP truthy-string bug); added Follow Site Theme option (reads blowdit-theme cookie); repo guard renders nothing when repo is unconfigured; htmlspecialchars escaping on repo and theme output."
 }